the last major version increase.
The last version increases were:
libavcodec: ?
-libavcore: 2010-07-21
libavdevice: ?
libavfilter: 2009-10-18
libavformat: ?
API changes, most recent first:
+2011-03-25 - 34b47d7 - lavc 52.115.0 - AVCodecContext.audio_service_type
+ Add audio_service_type field to AVCodecContext.
+
+2011-03-02 - 863c471 - lavf 52.103.0 - av_pkt_dump2, av_pkt_dump_log2
+ Add new functions av_pkt_dump2, av_pkt_dump_log2 that uses the
+ source stream timebase for outputting timestamps. Deprecate
+ av_pkt_dump and av_pkt_dump_log.
+
+2011-02-20 - e731b8d - lavf 52.102.0 - avio.h
+ * e731b8d - rename init_put_byte() to ffio_init_context(), deprecating the
+ original, and move it to a private header so it is no longer
+ part of our public API. Instead, use av_alloc_put_byte().
+ * ae628ec - rename ByteIOContext to AVIOContext.
+
+2011-02-16 - 09d171b - lavf 52.101.0 - avformat.h
+ lavu 52.39.0 - parseutils.h
+ * 610219a - Add av_ prefix to dump_format().
+ * f6c7375 - Replace parse_date() in lavf with av_parse_time() in lavu.
+ * ab0287f - Move find_info_tag from lavf to lavu and add av_prefix to it.
+
+2011-02-15 - lavu 52.38.0 - merge libavcore
+ libavcore is merged back completely into libavutil
+
+2011-02-10 - 55bad0c - lavc 52.113.0 - vbv_delay
+ Add vbv_delay field to AVCodecContext
+
+2011-02-14 - 24a83bd - lavf 52.100.0 - AV_DISPOSITION_CLEAN_EFFECTS
+ Add AV_DISPOSITION_CLEAN_EFFECTS disposition flag.
+
+2011-02-14 - 910b5b8 - lavfi 1.76.0 - AVFilterLink sample_aspect_ratio
+ Add sample_aspect_ratio field to AVFilterLink.
+
+2011-02-10 - 12c14cd - lavf 52.99.0 - AVStream.disposition
+ Add AV_DISPOSITION_HEARING_IMPAIRED and AV_DISPOSITION_VISUAL_IMPAIRED.
+
+2011-02-09 - 5592734 - lavc 52.112.0 - avcodec_thread_init()
+ Deprecate avcodec_thread_init()/avcodec_thread_free() use; instead
+ set thread_count before calling avcodec_open.
+
+2011-02-09 - 778b08a - lavc 52.111.0 - threading API
+ Add CODEC_CAP_FRAME_THREADS with new restrictions on get_buffer()/
+ release_buffer()/draw_horiz_band() callbacks for appropriate codecs.
+ Add thread_type and active_thread_type fields to AVCodecContext.
+
+2011-02-08 - 3940caa - lavf 52.98.0 - av_probe_input_buffer
+ Add av_probe_input_buffer() to avformat.h for probing format from a
+ ByteIOContext.
+
+2011-02-06 - fe174fc - lavf 52.97.0 - avio.h
+ Add flag for non-blocking protocols: URL_FLAG_NONBLOCK
+
+2011-02-04 - f124b08 - lavf 52.96.0 - avformat_free_context()
+ Add avformat_free_context() in avformat.h.
+
+2011-02-03 - f5b82f4 - lavc 52.109.0 - add CODEC_ID_PRORES
+ Add CODEC_ID_PRORES to avcodec.h.
+
+2011-02-03 - fe9a3fb - lavc 52.109.0 - H.264 profile defines
+ Add defines for H.264 * Constrained Baseline and Intra profiles
+
+2011-02-02 - lavf 52.95.0
+ * 50196a9 - add a new installed header version.h.
+ * 4efd5cf, dccbd97, 93b78d1 - add several variants of public
+ avio_{put,get}_str* functions. Deprecate corresponding semi-public
+ {put,get}_str*.
+
+2011-02-02 - dfd2a00 - lavu 50.37.0 - log.h
+ Make av_dlog public.
+
+2011-01-15 - r26374 - lavfi 1.74.0 - AVFilterBufferRefAudioProps
+ Rename AVFilterBufferRefAudioProps.samples_nb to nb_samples.
+
+2011-01-14 - r26330 - lavf 52.93.0 - av_metadata_copy()
+ Add av_metadata_copy() in avformat.h.
+
+2011-01-07 - r26262 - lavc 52.107.0 - deprecate reordered_opaque
+ Deprecate reordered_opaque in favor of pkt_pts/dts.
+
+2011-01-07 - r26261 - lavc 52.106.0 - pkt_dts
+ Add pkt_dts to AVFrame, this will in the future allow multithreading decoders
+ to not mess up dts.
+
+2011-01-07 - r26260 - lavc 52.105.0 - pkt_pts
+ Add pkt_pts to AVFrame.
+
+2011-01-07 - r26259 - lavc 52.104.0 - av_get_profile_name()
+ Add av_get_profile_name to libavcodec/avcodec.h.
+
+2010-12-27 - r26108 - lavfi 1.71.0 - AV_PERM_NEG_LINESIZES
+ Add AV_PERM_NEG_LINESIZES in avfilter.h.
+
+2010-12-27 - r26104 - lavf 52.91.0 - av_find_best_stream()
+ Add av_find_best_stream to libavformat/avformat.h.
+
+2010-12-27 - r26103 - lavf 52.90.0
+ Add AVFMT_NOSTREAMS flag for formats with no streams,
+ like e.g. text metadata.
+
+2010-12-22 - r26073 - lavu 50.36.0 - file.h
+ Add functions av_file_map() and av_file_unmap() in file.h.
+
+2010-12-19 - r26056 - lavu 50.35.0 - error.h
+ Add "not found" error codes:
+ AVERROR_DEMUXER_NOT_FOUND
+ AVERROR_MUXER_NOT_FOUND
+ AVERROR_DECODER_NOT_FOUND
+ AVERROR_ENCODER_NOT_FOUND
+ AVERROR_PROTOCOL_NOT_FOUND
+ AVERROR_FILTER_NOT_FOUND
+ AVERROR_BSF_NOT_FOUND
+ AVERROR_STREAM_NOT_FOUND
+
+2010-12-09 - r25923 - lavcore 0.16.0 - avcore.h
+ Move AV_NOPTS_VALUE, AV_TIME_BASE, AV_TIME_BASE_Q symbols from
+ avcodec.h to avcore.h.
+
+2010-12-04 - r25886 - lavc 52.98.0 - CODEC_CAP_NEG_LINESIZES
+ Add CODEC_CAP_NEG_LINESIZES codec capability flag in avcodec.h.
+
+2010-12-04 - r25879 - lavu 50.34.0 - av_get_pix_fmt_string()
+ Deprecate avcodec_pix_fmt_string() in favor of
+ pixdesc.h/av_get_pix_fmt_string().
+
+2010-12-04 - r25878 - lavcore 0.15.0 - av_image_alloc()
+ Add av_image_alloc() to libavcore/imgutils.h.
+
+2010-12-02 - r25862 - lavfi 1.67.0 - avfilter_graph_create_filter()
+ Add function avfilter_graph_create_filter() in avfiltergraph.h.
+
+2010-11-25 - r25826 - lavfi 1.65.0 - avfilter_get_video_buffer_ref_from_arrays()
+ Add function avfilter_get_video_buffer_ref_from_arrays() in
+ avfilter.h.
+
+2010-11-21 - r25787 - lavcore 0.14.0 - audioconvert.h
+ Add a public audio channel API in audioconvert.h, and deprecate the
+ corresponding functions in libavcodec:
+ avcodec_get_channel_name()
+ avcodec_get_channel_layout()
+ avcodec_get_channel_layout_string()
+ avcodec_channel_layout_num_channels()
+ and the CH_* macros defined in libavcodec/avcodec.h.
+
+2010-11-21 - r25777 - lavf 52.85.0 - avformat.h
+ Add av_append_packet().
+
+2010-11-21 - r25776 - lavc 52.97.0 - avcodec.h
+ Add av_grow_packet().
+
+2010-11-17 - r25761 - lavcore 0.13.0 - parseutils.h
+ Add av_parse_color() declared in libavcore/parseutils.h.
+
+2010-11-13 - r25745 - lavc 52.95.0 - AVCodecContext
+ Add AVCodecContext.subtitle_header and AVCodecContext.subtitle_header_size
+ fields.
+
+2010-11-13 - r25740 - lavfi 1.62.0 - avfiltergraph.h
+ Make avfiltergraph.h public.
+
+2010-11-13 - r25737 - lavfi 1.61.0 - avfiltergraph.h
+ Remove declarations from avfiltergraph.h for the functions:
+ avfilter_graph_check_validity()
+ avfilter_graph_config_links()
+ avfilter_graph_config_formats()
+ which are now internal.
+ Use avfilter_graph_config() instead.
+
+2010-11-08 - r25708 - lavu 50.33.0 - eval.h
+ Deprecate functions:
+ av_parse_and_eval_expr(),
+ av_parse_expr(),
+ av_eval_expr(),
+ av_free_expr(),
+ in favor of the functions:
+ av_expr_parse_and_eval(),
+ av_expr_parse(),
+ av_expr_eval(),
+ av_expr_free().
+
+2010-11-08 - r25707 - lavfi 1.59.0 - avfilter_free()
+ Rename avfilter_destroy() to avfilter_free().
+ This change breaks libavfilter API/ABI.
+
+2010-11-07 - r25705 - lavfi 1.58.0 - avfiltergraph.h
+ Remove graphparser.h header, move AVFilterInOut and
+ avfilter_graph_parse() declarations to libavfilter/avfiltergraph.h.
+
+2010-11-07 - r25700 - lavfi 1.57.0 - AVFilterInOut
+ Rename field AVFilterInOut.filter to AVFilterInOut.filter_ctx.
+ This change breaks libavfilter API.
+
+2010-11-04 - r25674 - lavfi 1.56.0 - avfilter_graph_free()
+ Rename avfilter_graph_destroy() to avfilter_graph_free().
+ This change breaks libavfilter API/ABI.
+
+2010-11-04 - r25673 - lavfi 1.55.0 - avfilter_graph_alloc()
+ Add avfilter_graph_alloc() to libavfilter/avfiltergraph.h.
+
+2010-11-02 - r25654 - lavcore 0.12.0 - av_get_bits_per_sample_fmt()
+ Add av_get_bits_per_sample_fmt() to libavcore/samplefmt.h and
+ deprecate av_get_bits_per_sample_format().
+
+2010-11-02 - r25653 - lavcore 0.11.0 - samplefmt.h
+ Add sample format functions in libavcore/samplefmt.h:
+ av_get_sample_fmt_name(),
+ av_get_sample_fmt(),
+ av_get_sample_fmt_string(),
+ and deprecate the corresponding libavcodec/audioconvert.h functions:
+ avcodec_get_sample_fmt_name(),
+ avcodec_get_sample_fmt(),
+ avcodec_sample_fmt_string().
+
+2010-11-02 - r25652 - lavcore 0.10.0 - samplefmt.h
+ Define enum AVSampleFormat in libavcore/samplefmt.h, deprecate enum
+ SampleFormat.
+
+2010-10-16 - r25502 - lavfi 1.52.0 - avfilter_graph_config()
+ Add the function avfilter_graph_config() in avfiltergraph.h.
+
+2010-10-15 - r25493 - lavf 52.83.0 - metadata API
+ Change demuxers to export metadata in generic format and
+ muxers to accept generic format. Deprecate the public
+ conversion API.
+
+2010-10-10 - r25441 - lavfi 1.49.0 - AVFilterLink.time_base
+ Add time_base field to AVFilterLink.
+
+2010-09-27 - r25236 - lavu 50.31.0 - av_set_options_string()
+ Move av_set_options_string() from libavfilter/parseutils.h to
+ libavutil/opt.h.
+
+2010-09-27 - r25227 - lavfi 1.47.0 - AVFilterLink
+ Make the AVFilterLink fields srcpad and dstpad store the pointers to
+ the source and destination pads, rather than their indexes.
+
+2010-09-27 - r25225 - lavu 50.30.0 - av_get_token()
+ Move av_get_token() from libavfilter/parseutils.h to
+ libavutil/avstring.h.
+
+2010-09-26 - r32368 - lsws 0.12.0 - swscale.h
+ Add the functions sws_alloc_context() and sws_init_context().
+
+2010-09-26 - r25210 - lavu 50.29.0 - opt.h
+ Move libavcodec/opt.h to libavutil/opt.h.
+
+2010-09-24 - r25174 - lavu 50.28.0 - av_log_set_flags()
+ Default of av_log() changed due to many problems to the old no repeat
+ detection. Read the docs of AV_LOG_SKIP_REPEATED in log.h before
+ enabling it for your app!.
+
+2010-09-24 - r25167 - lavc 52.90.0 - av_opt_show2()
+ Deprecate av_opt_show() in favor or av_opt_show2().
+
+2010-09-14 - r25120 - lavu 50.27.0 - av_popcount()
+ Add av_popcount() to libavutil/common.h.
+
+2010-09-08 - r25076 - lavu 50.26.0 - av_get_cpu_flags()
+ Add av_get_cpu_flags().
+
+2010-09-07 - r25067 - lavcore 0.9.0 - av_image_copy()
+ Add av_image_copy().
+
+2010-09-07 - r25064 - lavcore 0.8.0 - av_image_copy_plane()
+ Add av_image_copy_plane().
+
+2010-09-07 - r25057 - lavcore 0.7.0 - imgutils.h
+ Adopt hierarchical scheme for the imgutils.h function names,
+ deprecate the old names.
+
+2010-09-04 - r25040 - lavu 50.25.0 - AV_CPU_FLAG_*
+ Deprecate the FF_MM_* flags defined in libavcodec/avcodec.h in favor
+ of the AV_CPU_FLAG_* flags defined in libavutil/cpu.h.
+
+2010-08-26 - r24936 - lavc 52.87.0 - avcodec_get_channel_layout()
+ Add avcodec_get_channel_layout() in audioconvert.h.
+
+2010-08-20 - r24851 - lavcore 0.6.0 - av_fill_image_max_pixsteps()
+ Rename av_fill_image_max_pixstep() to av_fill_image_max_pixsteps().
+
+2010-08-18 - r24827 - lavcore 0.5.0 - av_fill_image_max_pixstep()
+ Add av_fill_image_max_pixstep() in imgutils.h.
+
+2010-08-17 - r24814 - lavu 50.24.0 - AV_NE()
+ Add the AV_NE macro.
+
+2010-08-17 - r24811 - lavfi 1.36.0 - audio framework
+ Implement AVFilterBufferRefAudioProps struct for audio properties,
+ get_audio_buffer(), filter_samples() functions and related changes.
+
+2010-08-12 - r24787 - lavcore 0.4.0 - av_get_image_linesize()
+ Add av_get_image_linesize() in imgutils.h.
+
2010-08-11 - r24773 - lavfi 1.34.0 - AVFilterBufferRef
Resize data and linesize arrays in AVFilterBufferRef to 8.